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#21
11-02-2009, 05:26 PM
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Do it like a hot air ballon. Turn it up side down and suspend it above the heater and let the hot gases expand it.
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Maple syrup makers never die, they just evaporate. Kubota M-5040, RTV900 with tracks, 3'x 8' drop flue, wood fired, reverse flow ,hood and preheater. 500 plus taps. 
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#22
11-02-2009, 05:32 PM
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Reminds me of the time my wife said the car wont start. Do you have gas? YES did you leave the lights on ? NO What does it do when you turn the Key.NOTHING.......................Well what the hell does it do...........I dont know I cant find the keys
   I have a 1100 gallon poly tank that had a tree sitting on its top for the last 5 years and its caved in and there is no inside access hole. OK its like a plastic car bumper if you hit a post and it pops/dents and it sits for very long it will be permenant BUT if you pop it out there is a good chance that it will return to original shape. Plastic has memory and after time it will not take kindly to being pushed out. SO only heat the crease not the rounded areas you will need to heat with a heat gun if possible
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1100 on vacuum 3X10 Waterloo Small oil fired with pre heater. 24X36" gas fired finishing pans 10X16 Evaporator room 16X24 kitchen+bottling room. vacuum pump called the BEAST new Gast vac pump 2 Bernard double extractors HOLLY GRAIL of bottlers 20 gallon coffee maker 7" filter press Allis Chalmers B Alot of family and friends to help Old yellow lab called Maple photobucket http://s853.photobucket.com/albums/ab91/cethaynes1noz/ Last edited by Haynes Forest Products : 11-02-2009 at 06:53 PM.
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#23
11-02-2009, 07:51 PM
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Ok Just Got Off The Phone With My Gramps. Hes Wondering What To Do With Tank. After Chewing It Over Awhile, He Came Up With Putting The Eletric Heater Inside In And Covering It With A Canvis Tarp. To Help Hold The Heat In. When Good And Warm We Will Try To Push And Pull It Out. Hope It Works We Are Going To Give It A Try In The A.m.. Thanks Haynes For The Humor. Its Well Needed Trust Me. Its Been A Long Day
Maple Rookie
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09 HAD 30 TAPS, 2010 130.. HOMEMADE ARCH 2X6 POLARIS RANGER W/TRACKS AND 2 55 GAL DRUMs http://s712.photobucket.com/albums/ww123/jtrap/
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#24
11-03-2009, 10:16 PM
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Don't use heat. Take an air hose from a good compressor put through the top and take a rag or towwel and close of the rest of the opening. You will have to use some pressure as the air fills the tank. This may take a few minutes depending on your compressor, that is a lot of volume of air , but not that much pressure. It will only take about 30 psi to pop that dent out. I just did the same thing this past spring for a buddy of mine. His tank had been run into buy a snowplow. It dented it right at the crease and caved the whole top in too. Took about 5 minutes and it popped it right back to normal with no effort. Can't even tell it happened. Hope this helps.
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#25
11-05-2009, 09:03 PM
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I'd suggest not using air to fill the tank. Its compressible, and if a seam lets go before the bulge pops out, you may injure yourself.
Its more common to use water for pressurizing tanks. Water is not compressible (to any practical extent), and won't explode if a seam opens up. You still need to be sure you've bled all the air out of the tank before the pump puts any pressure on it. We do this in the power plant industry for boilers, steam piping, valves etc. Nobody would ever put pressurized gas/air into any volume without a hydrotest. My 2-cents-- Best of luck.
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Teuchtar D&G 2x6 Evaporator Homemade Piggyback Homemade RO
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#26
11-09-2009, 06:04 PM
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So To Some This All Up, We Got The Dent Out Believe It Or Not, What We Did Was. There Is A 2in Ball Valve On The Bottom Of The Tank, So I Took My Shop Vac And Reversed The Hose To A Blower, With In A Couple Of Minutes The Caved In Dent Was Out. With No Injuries Or Harm To The Tank. Just Like Brand New. Thanks For All The Suggestions, This Is An Awesome Site Just To Get The Wheels In Your Head Turning About A Problem Or A Question One Might Have About Anything Maple. Greatly Appricieated.
Maple Rookie
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09 HAD 30 TAPS, 2010 130.. HOMEMADE ARCH 2X6 POLARIS RANGER W/TRACKS AND 2 55 GAL DRUMs http://s712.photobucket.com/albums/ww123/jtrap/
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#27
11-09-2009, 08:46 PM
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Glad it worked out for you.
__________________
Maple syrup makers never die, they just evaporate. Kubota M-5040, RTV900 with tracks, 3'x 8' drop flue, wood fired, reverse flow ,hood and preheater. 500 plus taps.
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